Using a "3G" SIM card in a Samsung Infuse 4G?

Using a "3G" SIM card in a Samsung Infuse 4G?

Hi,

My wife recently switched to an iPhone, leaving me with a Samsung Infuse 4G. I have an old Nokia XpressMusic, and figured I'd give this new phone a try. My existing SIM card is labeled "3g". I tried placing it in the Infuse 4G, and the phone portion certainly works, but I cannot access any network services.

I'm guessing this is because my old phone is 3G and works off of the AT&T Media Net GPRS network, and the new phone can't operate in this way. Or is there a way to make this work? I'd love to use this new phone, but I don't want to have to upgrade my current plan. I don't really care about speed, I just want to be able to check email while I'm out and about.

Re: Using a "3G" SIM card in a Samsung Infuse 4G?

Thanks, Max.

To clarify, I already have a data plan on the existing account, but I'm guessing AT&T is smart enough to block smart phones from being able to use the older data services. I just wanted to check to see if there was anything I was missing.

Re: Using a "3G" SIM card in a Samsung Infuse 4G?

The old non smartphone data plans use the wap. cingular APN and your phone is set up to use the PHONE APN. you need a smartphone data plan because even if you go around it they'll catch on and add it anyways

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Re: Using a "3G" SIM card in a Samsung Infuse 4G?

JFizDaWiz wrote:The old non smartphone data plans use the wap. cingular APN and your phone is set up to use the PHONE APN. you need a smartphone data plan because even if you go around it they'll catch on and add it anyways

Would he also need to get re-provisioned to go from the 3G network to the 4G?

I know that was an issue for me when I went from my Captivate to the Infuse. Although I already had the "smartphone data plan."

Re: Using a "3G" SIM card in a Samsung Infuse 4G?

atandtforumjoef wrote:

Does pre-paid vs post-paid make any difference?

It's been a while since I had a Go Phone account, but I wasn't sure if Go Phones have 4G phones available?

Now I'm pretty sure you can take a 4G phone, but it outright, and use it on the account, but I'm thinking a problem could arise if the phone is always seartching for a 4G signal when you SIM Card is not provisioned nor the account is set up for it.

Looking on the website I didn't see any "official" 4G phones for sale.